Take into account Fort Mill, South Carolina climate data from Fizber.com. Not only you can receive current weather information, but also get an idea of general climate state of Fort Mill, South Carolina. Fizber Climate watch gives you an opportunity to Take into account current weather of the area. Average min temperature of Fort Mill, South Carolina in January is n/a, average min temperature in July is n/a, while the average max temperature in January is n/a, average min temperature in July is n/a.